<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<link rel="stylesheet"
	href="../css/test3.css">
</head>
<body>
<div class="outer">
	<div class="inner">我是INNER div</div>
	<span class="innerspan">我是SPAN</span>
	<input class="input" value="我是INPUT"/>
</div>
</body>
</html>